It will most certainly be the yoke assy loom as stuart linked to.
Whole yoke assy needs to be removed and the loom assy replaced, it separates from the big yoke.
If you have never done one then it is advisable to take some pics of the wiring on the rhs.
Also check the balls plastic floating bearing when stripping as they can be near the end of their life, if so replace it whilst in bits.
Don't even bother trying to repair the loom, it will fail again.